RI

Robert L. Ibsen

DH Den-Mat Holdings: 2 patents #1 of 3Top 35%
📍 Pechhofer Weg, CA: #1 of 9 inventorsTop 15%
🗺 California: #676 of 10,592 inventorsTop 7%
Overall (1989): #17,133 of 140,708Top 15%
2
Patents 1989

Issued Patents 1989

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
RE33100 Dental compositions incorporating glass ionomers William R. Glace, Donald R. Pacropis 1989-10-24
4859716 Microfilled dental composite and method for making it William R. Glace 1989-08-22